Answer:
15.88°C I am not 100% sure this is right but I am 98% sure this IS right
If you apply a little bit of force, one will move easier than the other since it is lighter.
Divide (25,000) by (the number of miles you can walk in 1 hour).
The answer you get is the number of hours it would take you to walk around the Earth once, IF you were able to walk on water too.
C the third one i think good luck
Adding thermal energy
Performing work on the system
